This shocking video shows the effects of what can happen when you drink and drive.

Surrey Police posted the footage on Twitter of a drink-driver smashing into the barrier on the M3 before getting out of his car and running across the motorway.

The incident happened on April 4, 2017 at around 9am near Chobham, Surrey, reports Surrey Live.

CCTV footage shows Brett Gilham driving his Volkswagen Golf into an area of the M3 where roadworks were taking place, before crashing into a barrier as he attempts to join the motorway.

Gilham, 31, got out of his car after the crash and made a run for it across both lanes of heavy traffic, narrowly avoiding being hit passing cars. You can see the footage in full above.

Police want every driver to see the footage to see the consequences drink-driving can have.

The driver smashed into a concrete barrier (Image: Surrey Police)

Police said he then collapsed on the opposite embankment where he was arrested by officers and received medical assistance. Tests showed he had 105mg of alcohol per 100ml of blood, which is above the legal limit of 80mg.

Inspector Ken Bates, from Surrey’s Roads Policing Unit, said: “Brett Gilham showed a complete disregard for the safety of other road users by getting behind the wheel while drunk.

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"This collision could have had far worse consequences, such as the loss of his life, or his two passengers, who were fortunate to escape without serious injury.

“The drink driving element of this case is reckless enough without then running across live lanes of motorway traffic, which could have caused a crash or resulted in Gilham being hit.

“If you’re going to drink, or think you may still be over the limit, just get someone else to drive – it is as simple as that and may save your life or others.”

Gilham, of Bronte Close, Wellington in Telford, was sentenced to 15 months in prison at Guildford Crown Court on Friday, October 26. He pleaded guilty to the offences of dangerous driving, driving without insurance and excess alcohol.

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